user
Generate a financial report based on the given expenditure list.
Expenditure list: 
- Food: $400 
- Housing: $800 
- Travelling: $200

Response:
assistant
Financial Report: 
The total expenditure for the month was $1400. Spending for food was $400, for housing was $800 and for travelling was $200. The largest expenditure was for housing, accounting for 57.1% of the total expenditure.